diff options
| author | Michal Kazior <michal.kazior@tieto.com> | 2013-08-13 07:54:56 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2013-08-14 18:00:00 +0300 |
| commit | f9d8fece02796f3776a712be3bcfa4c075afe942 (patch) | |
| tree | e5bb07eaf77c326f4bbeb4daa81a2f3b9a2218c3 /drivers/net/wireless/ath | |
| parent | ffe5daa873d37b56203dce4e8e55a4fab26b796d (diff) | |
ath10k: clean up PCI completion states
Improve code readability by using enum and a
switch-case.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/pci.c | 22 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/pci.h | 13 |
2 files changed, 23 insertions, 12 deletions
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 8d24c6920a5..996efdd8a00 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -538,7 +538,7 @@ static void ath10k_pci_ce_send_done(struct ce_state *ce_state, if (!compl) break; - compl->send_or_recv = HIF_CE_COMPLETE_SEND; + compl->state = ATH10K_PCI_COMPL_SEND; compl->ce_state = ce_state; compl->pipe_info = pipe_info; compl->transfer_context = transfer_context; @@ -588,7 +588,7 @@ static void ath10k_pci_ce_recv_data(struct ce_state *ce_state, if (!compl) break; - compl->send_or_recv = HIF_CE_COMPLETE_RECV; + compl->state = ATH10K_PCI_COMPL_RECV; compl->ce_state = ce_state; compl->pipe_info = pipe_info; compl->transfer_context = transfer_context; @@ -810,7 +810,7 @@ static int ath10k_pci_start_ce(struct ath10k *ar) return -ENOMEM; } - compl->send_or_recv = HIF_CE_COMPLETE_FREE; + compl->state = ATH10K_PCI_COMPL_FREE; list_add_tail(&compl->list, &pipe_info->compl_free); } } @@ -909,12 +909,14 @@ static void ath10k_pci_process_ce(struct ath10k *ar) list_del(&compl->list); spin_unlock_bh(&ar_pci->compl_lock); - if (compl->send_or_recv == HIF_CE_COMPLETE_SEND) { + switch (compl->state) { + case ATH10K_PCI_COMPL_SEND: cb->tx_completion(ar, compl->transfer_context, compl->transfer_id); send_done = 1; - } else { + break; + case ATH10K_PCI_COMPL_RECV: ret = ath10k_pci_post_rx_pipe(compl->pipe_info, 1); if (ret) { ath10k_warn("Unable to post recv buffer for pipe: %d\n", @@ -941,9 +943,17 @@ static void ath10k_pci_process_ce(struct ath10k *ar) nbytes, skb->len + skb_tailroom(skb)); } + break; + case ATH10K_PCI_COMPL_FREE: + ath10k_warn("free completion cannot be processed\n"); + break; + default: + ath10k_warn("invalid completion state (%d)\n", + compl->state); + break; } - compl->send_or_recv = HIF_CE_COMPLETE_FREE; + compl->state = ATH10K_PCI_COMPL_FREE; /* * Add completion back to the pipe's free list. diff --git a/drivers/net/wireless/ath/ath10k/pci.h b/drivers/net/wireless/ath/ath10k/pci.h index b2439f59a52..153ae283b9f 100644 --- a/drivers/net/wireless/ath/ath10k/pci.h +++ b/drivers/net/wireless/ath/ath10k/pci.h @@ -43,9 +43,15 @@ struct bmi_xfer { u32 resp_len; }; +enum ath10k_pci_compl_state { + ATH10K_PCI_COMPL_FREE = 0, + ATH10K_PCI_COMPL_SEND, + ATH10K_PCI_COMPL_RECV, +}; + struct ath10k_pci_compl { struct list_head list; - int send_or_recv; + enum ath10k_pci_compl_state state; struct ce_state *ce_state; struct hif_ce_pipe_info *pipe_info; void *transfer_context; @@ -54,11 +60,6 @@ struct ath10k_pci_compl { unsigned int flags; }; -/* compl_state.send_or_recv */ -#define HIF_CE_COMPLETE_FREE 0 -#define HIF_CE_COMPLETE_SEND 1 -#define HIF_CE_COMPLETE_RECV 2 - /* * PCI-specific Target state * |